Glaciation

Glaciation

The last Ice Age ended about 13 thousand years ago.

Geography

Keywords

glaciation, ice age, glacial, interglacial, warming, cooling down, climate, ice sheet, glacier, ice, nature, history of the Earth, geography

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Fjord

A fjord is a long, narrow inlet with steep sides, created in a valley carved by glacial activity.

Glacier (basic)

A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

Glacier (intermediate)

A glacier is a large body of ice that forms from snow, and is in constant, slow motion.

Climate zones

The Earth is divided into geographical and climatic zones, which result in the zonation of vegetation.

Continental drift on a geological timescale

The Earth's continents have been in constant motion during the history of the planet.

Icebergs

Icebergs are blocks of frozen freshwater floating in the sea.

Change of seasons (intermediate)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes continuously changes during the year.

Megalithic cultures in Europe

Structures consisting of enormous stone blocks, dating back thousands of years, are monuments of megalithic cultures.

Melting and freezing

During freezing hydrogen bonds are formed between water molecules resulting in a crystal structure.

Ocean currents

The Great ocean conveyor is a planet-wide system of ocean currents, which has a great influence on the Earth´s climate.

Palaeolithic cave

The first dwellings in human history provide a lot of information about the lifestyle of our ancestors.

Sabre-toothed cat

Large, extinct species of cats named after the shape of their large canine teeth.

Tectonic plates

Tectonic plates can move in relation to each other.

The development of lakes

Standing bodies of water can form in depressions on the surface by both endogenic and exogenic forces, as well as by human activity.

The spread of Homo sapiens on Earth

The 'wise man' originated in Africa and dispersed throughout most of the continents.

Trilobites

The ancestors of Arachnida and Crustacea belonged to the class Trilobita.

Woolly mammoth

Extinct proboscidea closely related to today's elephants, often hunted by prehistoric man.

Ammonites

An extinct group of Cephalopoda, with solid external skeletons. They are excellent index fossils.

Apatosaurus

Long-necked herbivorous dinosaur with a robust body.

Archaeopteryx

The archaeopteryx shows characteristics of both birds and reptiles. It is probably the ancestor of birds.

Carboniferous flora and fauna

This animation presents some animals and plants that lived between the Devonian and Permian periods (358-299 million years ago).

Deinonychus

Deinonychus antirrhopus, the 'terrible claw', was a carnivorous dromaeosaurid dinosaur.

Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Homo erectus

The ‘upright man’ used tools and could set fire.

Hunebeds

These special dolmens located in present-day Netherlands were built about 5,000 years ago.

Ichthyostega

A prehistoric amphibian and an early representative of the Tetrapods, which became extinct 360 million years ago.

Pteranodon longiceps

A prehistoric flying reptile, similar to birds. However, there is no direct evolutionary link between the two.

Stegosaurus

A type of prehistoric reptile having bony plates on its back, which aided thermoregulation.

Tiktaalik

A transitional form between fish and tetrapods, or four-limbed vertebrates.

Tyrannosaurus rex ‘tyrant lizard’

Large carnivores, perhaps the best known of dinosaurs.

Triceratops

A type of herbivorous dinosaur easily recognisable by its large frill and three horns which lived in the Cretaceous period.

Change of seasons (basic)

Due to the Earth´s tilted axis, the angle of the Sun's rays at given latitudes is continuously changing during the year.

Geyser

A geyser is a spring characterised by intermittent discharge of water and steam.

Interesting geography facts – Social geography

This animation presents some interesting facts in social geography.

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